package com.example.tests;


import java.io.File;
import java.io.IOException;
import java.util.Iterator;

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import com.example.utils.SortedListOf;


import static com.example.tests.GroupDataGenerator.loadGroupsFromCsvFile;
import static com.example.tests.GroupDataGenerator.loadGroupsFromXmlFile;

import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

public class GroupCreationTests extends TestBase{
	
	@DataProvider
	public Iterator<Object[]> groupsFromFile() throws IOException{
		return wrapGroupsForDataProvider(loadGroupsFromXmlFile(new File("groups.xml"))).iterator();
	}
	

	@Test (dataProvider = "groupsFromFile")
	public void testGroupCreationWithValidData(GroupData group) throws Exception {
    
    // save old state
	SortedListOf <GroupData> oldList  = app.getGroupHelper().getGroups();
    
    // actions
    app.getGroupHelper().createGroup(group);
       
    // save new state
    SortedListOf <GroupData> newList  = app.getGroupHelper().getGroups();
    
    // compare states
    assertThat(newList, equalTo(oldList.withAdded(group)));
  }

}
